Planetary hours
in London.
The day, from sunrise to sunset, is cut into twelve equal hours; so is the night, from sunset to the next sunrise. Each hour carries a planet, in the Chaldean order. A planetary hour therefore lasts 60 minutes only at the equinoxes: it all depends on the date and the city. Here are the exact hours for your city; what you do with them is up to you.
Planetary day of Tuesday, 7 July 2026: day of Mars
- Sunrise
- 04:52
- Sunset
- 21:18
- Next sunrise
- 04:53
A day hour lasts 1h 22m; a night hour, 38 min. Local time (Europe/London).
Day
- 1♂︎ Mars04:52 – 06:14
- 2☉︎ Sun06:14 – 07:36
- 3♀︎ Venus07:36 – 08:58
- 4☿︎ Mercury08:58 – 10:20
- 5☽︎ Moon10:20 – 11:43
- 6♄︎ Saturn11:43 – 13:05
- 7♃︎ Jupiter13:05 – 14:27
- 8♂︎ Mars14:27 – 15:49
- 9☉︎ Sun15:49 – 17:11
- 10♀︎ Venus17:11 – 18:33
- 11☿︎ Mercury18:33 – 19:55
- 12☽︎ Moon19:55 – 21:18
Night
- 1♄︎ Saturn21:18 – 21:55
- 2♃︎ Jupiter21:55 – 22:33
- 3♂︎ Mars22:33 – 23:11
- 4☉︎ Sun23:11 – 23:49
- 5♀︎ Venus23:49 – 00:27
- 6☿︎ Mercury00:27 – 01:05
- 7☽︎ Moon01:05 – 01:43
- 8♄︎ Saturn01:43 – 02:21
- 9♃︎ Jupiter02:21 – 02:59
- 10♂︎ Mars02:59 – 03:37
- 11☉︎ Sun03:37 – 04:15
- 12♀︎ Venus04:15 – 04:53
Other cities · United Kingdom
Questions
How are the planetary hours calculated in London?
On Tuesday, 7 July 2026, the Sun rises at 04:52 and sets at 21:18: the day lasts 16h 26m, that is twelve day hours of 1h 22m. The night, until the next sunrise at 04:53, lasts 7h 35m: twelve night hours of 38 min.
Which planet rules the first hour that day?
Mars, from 04:52 to 06:14: the first hour of a day always goes to the planet of the weekday. The next ones follow the Chaldean order: the Sun, Venus, Mercury, the Moon, Saturn, Jupiter, then Mars again.
Today’s sky, on YOUR chart
Planetary hours are the same for everyone in a city. Your chart is yours alone: every morning AstroXP crosses the real sky with your birth, to the minute, and tells you what time it plays out for you.
On a computer? Scan this code with your phone.
Calendars
Sunrise and sunset calculated for the city (the Sun’s centre 0°50′ below the horizon: refraction and semi-diameter), local time of the city’s time zone. Checked against astronomy-engine, the app’s engine.